5. (3 pts) Standing on the top of a house 48 feet above the ground, John shoots a trick basketball shot upward according to the equation h = -16t2 + 32t + 48, where h is the height of the ball
in feet, and t is the time in seconds. How long will it take for John's airball to hit the ground?
(Hint: h is the height of the ball when it hits the ground.)

Sorry guys but as you have a small brain

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups